Purchases are locked to the account that purchased them. Thus first try to recovery use of the original account.
Also, yo have obtain use of the original account to deactivae the Activation Lock
Find My iPhone Activation Lock
Yes. Visit My Apple ID and click Find your Apple ID. See Finding your Apple ID if you'd like more information.
If you've forgotten your Apple ID Password or want to change it, go to My Apple ID and follow the instructions. See Changing your Apple ID password if you'd like more information.
The method includes if you do not have access to your original email account.
The
Apple recommends you change your Apple ID to your current, working email address. This will not create another Apple ID, it will only change it to your working email address. See Changing the name you use for your Apple ID if you'd like more information.
CHANGE ID
Apple ID: What to do after you change your Apple ID
The ID is used in the following locations and you have to change them.
Settings>Messages>Send and Receive
Settings>FaceTime
Settings>GameCenter
Settings>iCloud
and Settings>iTunes and App store
You have to sign out of ID (for iCloud you delete the iCloud account from the iPod) and sign in with other ID.
Note the following are resolved if you use Family Sharing (iOS 8 and later):
- Apps are locked to the account that purchased them.
- To update apps you have to sign into the account that purchased the apps. If you have apps that need updating purchased from more than one account you have to update them one at a time until the remaining apps were purchased from one account.